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प्रश्न
Match Column I with Column II
| Column I | Column II | ||
| (a) | Ground water | (i) | Solid form of water |
| (b) | Bawri | (ii) | Wastage of water |
| (c) | Snow | (iii) | Water management |
| (d) | Drip irrigation | (iv) | Small water |
| (e) | Leaking taps | (v) | Water table |
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उत्तर
| Column I | Column II | ||
| (a) | Ground water | (v) | Water table |
| (b) | Bawri | (iv) | Small water |
| (c) | Snow | (i) | Solid form of water |
| (d) | Drip irrigation | (iii) | Water management |
| (e) | Leaking taps | (ii) | Wastage of water |
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संबंधित प्रश्न
Give reason for Silica gel pouches are kept in unused water bottle.
Name the gas produced when a piece of calcium is added to water.
Give reason of Carbonated drinks are bottled under high pressure.
Give one word for the following statement:
Water fit for human consumption .
The ultimate source of all water on the earth is
Why is water considered a compound?
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
Explain why:
Table salts become sticky on exposure to humid air during the rainy season.
Select the correct answer of the following statement:
A decahydrate crystal.
Define ‘eutrophication’.
State any two sources of water pollution.
What is meant by the term ‘offshore drilling’. State the main environmental effects of offshore drilling.
Select the correct word from the words in option to complete the sentence:
If pressure on the surface of water increases its boiling point ____ and freezing point ____.
Match the terms in List I with the correct answers in List II.
| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
| 2. A white efflorescent crystal | B: NaOH |
| 3. A hygroscopic dehydrating agent | C: Ca(HCO3)2 |
| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
Water levels in rivers increase greatly during ______.
Write a few slogans of your own on the topic “Save Water”
Water is colourless, odourless and _______.
How is the life of organisms living in water affected when water gets polluted?
Write any two activities which require less than one bucket of water.
